柯达超高速、Ektaspeed、Ektaspeed Plus以及爱克发M2 Comfort牙科X线胶片用于龋齿检测的体外比较
In vitro comparison of Kodak Ultra-speed, Ektaspeed, and Ektaspeed Plus, and Agfa M2 Comfort dental x-ray films for the detection of caries.
作者信息
Hintze H, Christoffersen L, Wenzel A
机构信息
Department of Oral Radiology, Faculty of Health Sciences, University of Aarhus, Denmark.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1996 Feb;81(2):240-4. doi: 10.1016/s1079-2104(96)80423-9.
The aim of this study was to compare the diagnostic accuracy of two new dental x-ray films, Kodak Ektaspeed Plus (Plus) and Agfa M2 Comfort (M2), respectively, with the current Kodak Ultra-speed (Ultra) and Ektaspeed (Ekta) films for the detection of caries. A total of 103 occlusal and 224 proximal surfaces were examined independently by three observers. A histologic examination performed after the teeth were sectioned served as the validation method for lesion depth. Receiver operating characteristic curve areas were calculated to express the diagnostic accuracy. In the occlusal surfaces the receiver operating characteristic curve areas ranged from 0.764 (in Ultra films) to 0.800 (in Ekta films). In the proximal surfaces the receiver operating characteristic curve areas ranged from 0.550 (in Ultra films) to 0.696 (in Plus films). No statistically significant differences were found between the different film types.
本研究的目的是分别比较两种新型牙科X光片——柯达Ektaspeed Plus（Plus）和爱克发M2 Comfort（M2），与目前的柯达超高速（Ultra）和Ektaspeed（Ekta）胶片在检测龋齿方面的诊断准确性。三位观察者独立检查了总共103个咬合面和224个邻面。牙齿切片后进行的组织学检查用作病变深度的验证方法。计算接受者操作特征曲线面积以表达诊断准确性。在咬合面，接受者操作特征曲线面积范围从0.764（Ultra胶片）到0.800（Ekta胶片）。在邻面，接受者操作特征曲线面积范围从0.550（Ultra胶片）到0.696（Plus胶片）。不同胶片类型之间未发现统计学上的显著差异。
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